<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    /* 当选择器相同，属性重复的时候，后面的覆盖前面的 */
    #hh1 {
      background: red;
      color: royalblue;
    }

    h1.aa {
      background: #bc8f8f !important;
      color: green !important;
    }

    * {

      font-size: 50px;
      /* border: 1px solid red; */

      /* text-decoration: khaki underline; */
      /* padding-left: 60px; */
      padding-left: inherit;
    }

    li {
      /* font-size: inherit; */
      /* border:inherit; */
      padding-left: unset;
    }
  </style>
</head>

<body>

  <!-- <h1 class="aa" id="hh1" >好 11111</h1>
  <h1 class="aa" id="hh1" >好 11111</h1> -->
  <div id="div1">
    99999
    <ul>
      <li>0001</li>
      <li>0002</li>
      <li>0003</li>
    </ul>
  </div>
</body>

</html>